When the Earth formed, the radioactive materials that naturally occurred in the environment heated the planet. These radioactive materials generate heat when they decay. This heat generated is then transferred to the surface of the Earth.
The radioactive materials have no role in increasing the gravity of the Earth or poisoning the soil. Moreover, the naturally occurring radioactive materials are still present and has not disappeared.
Hence, the answer is heated the planet.
Answer:
The answer is single replacement :)
-Photosynthesis fixes carbon dioxide during the Calvin cycle, whereas cellular respiration releases carbon dioxide during the Krebs cycle. ... The electrons that are released by the splitting of H2O molecules during photosynthesis ultimately end up in: -glucose.
Answer:
The dermal tissue system protects the soft tissues of plants and controls interactions with the plants' surroundings. The epidermis is a dermal tissue that is usually a single layer of cells covering the younger parts of a plant. It secretes a waxy layer called the cuticle that inhibits water loss.
Explanation: